./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:20:45,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:20:45,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:20:45,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:20:45,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:20:45,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:20:45,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:20:45,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:20:45,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:20:45,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:20:45,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:20:45,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:20:45,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:20:45,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:20:45,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:20:45,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:20:45,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:20:45,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:20:45,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:20:45,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:20:45,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:20:45,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:20:45,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:20:45,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:20:45,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:20:45,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:20:45,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:20:45,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:20:45,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:20:45,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:20:45,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:20:45,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:20:45,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:20:45,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:20:45,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:20:45,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:20:45,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:20:45,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:20:45,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:20:45,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:20:45,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:20:45,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:20:45,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:20:45,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:20:45,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:20:45,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:20:45,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:20:45,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:20:45,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:20:45,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:20:45,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:20:45,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:20:45,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:20:45,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:20:45,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:20:45,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:20:45,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:20:45,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:20:45,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:20:45,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:20:45,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:20:45,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:20:45,706 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:20:45,706 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:20:45,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:20:45,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:45,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:20:45,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:20:45,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:20:45,708 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:20:45,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:20:45,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:20:45,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-11-21 23:20:45,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:20:46,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:20:46,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:20:46,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:20:46,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:20:46,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-21 23:20:49,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:20:49,431 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:20:49,432 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-21 23:20:49,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/56ba65f55/2205ef3e3c21474b88d8a949f69acf24/FLAG1600ac4cc [2022-11-21 23:20:49,456 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/56ba65f55/2205ef3e3c21474b88d8a949f69acf24 [2022-11-21 23:20:49,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:20:49,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:20:49,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:49,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:20:49,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:20:49,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f778e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49, skipping insertion in model container [2022-11-21 23:20:49,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:20:49,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:20:49,772 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-21 23:20:49,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:49,792 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:20:49,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-21 23:20:49,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:49,845 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:20:49,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49 WrapperNode [2022-11-21 23:20:49,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:49,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:49,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:20:49,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:20:49,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,887 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-21 23:20:49,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:49,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:20:49,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:20:49,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:20:49,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:20:49,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:20:49,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:20:49,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:20:49,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:49" (1/1) ... [2022-11-21 23:20:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:49,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:20:49,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:20:50,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:20:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:20:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:20:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:20:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:20:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:20:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:20:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:20:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:20:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:20:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:20:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:20:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:20:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:20:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:20:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:20:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:20:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:20:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:20:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:20:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:20:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:20:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:20:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:20:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:20:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:20:50,028 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:20:50,183 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:20:50,205 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:20:50,744 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:20:50,908 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:20:50,908 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:20:50,909 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 23:20:50,910 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:20:50,914 INFO L158 Benchmark]: Toolchain (without parser) took 1452.94ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 125.5MB in the end (delta: 10.5MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-21 23:20:50,915 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:20:50,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.93ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 122.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:20:50,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.26ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 120.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:20:50,917 INFO L158 Benchmark]: Boogie Preprocessor took 37.19ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 119.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:20:50,918 INFO L158 Benchmark]: RCFGBuilder took 973.05ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 125.5MB in the end (delta: -6.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-21 23:20:50,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.93ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 122.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.26ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 120.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.19ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 119.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 973.05ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 125.5MB in the end (delta: -6.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:20:50,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:20:53,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:20:53,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:20:53,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:20:53,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:20:53,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:20:53,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:20:53,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:20:53,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:20:53,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:20:53,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:20:53,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:20:53,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:20:53,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:20:53,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:20:53,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:20:53,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:20:53,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:20:53,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:20:53,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:20:53,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:20:53,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:20:53,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:20:53,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:20:53,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:20:53,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:20:53,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:20:53,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:20:53,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:20:53,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:20:53,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:20:53,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:20:53,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:20:53,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:20:53,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:20:53,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:20:53,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:20:53,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:20:53,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:20:53,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:20:53,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:20:53,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:20:53,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:20:53,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:20:53,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:20:53,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:20:53,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:20:53,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:20:53,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:20:53,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:20:53,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:20:53,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:20:53,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:20:53,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:20:53,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:20:53,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:20:53,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:20:53,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:20:53,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:20:53,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:20:53,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:20:53,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:20:53,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:20:53,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:20:53,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:20:53,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:20:53,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:20:53,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:53,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:20:53,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:20:53,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:20:53,771 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:20:53,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:20:53,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:20:53,772 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:20:53,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:20:53,773 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-11-21 23:20:54,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:20:54,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:20:54,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:20:54,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:20:54,214 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:20:54,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-21 23:20:57,294 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:20:57,545 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:20:57,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-21 23:20:57,553 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/375e1acc4/19bd1752acab48748b6a8a8f87ae0649/FLAG37f1b3639 [2022-11-21 23:20:57,573 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/data/375e1acc4/19bd1752acab48748b6a8a8f87ae0649 [2022-11-21 23:20:57,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:20:57,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:20:57,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:57,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:20:57,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:20:57,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:57" (1/1) ... [2022-11-21 23:20:57,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77be69d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:57, skipping insertion in model container [2022-11-21 23:20:57,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:57" (1/1) ... [2022-11-21 23:20:57,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:20:57,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:20:57,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-21 23:20:57,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:57,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:20:57,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:20:57,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-21 23:20:57,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:57,988 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:20:58,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-21 23:20:58,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:58,077 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:20:58,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58 WrapperNode [2022-11-21 23:20:58,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:58,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:58,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:20:58,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:20:58,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,146 INFO L138 Inliner]: procedures = 29, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-11-21 23:20:58,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:58,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:20:58,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:20:58,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:20:58,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:20:58,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:20:58,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:20:58,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:20:58,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:58" (1/1) ... [2022-11-21 23:20:58,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:20:58,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:20:58,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:20:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:20:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:20:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:20:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:20:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:20:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:20:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:20:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:20:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:20:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:20:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:20:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:20:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:20:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:20:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:20:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:20:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:20:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:20:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:20:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:20:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:20:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:20:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:20:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:20:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:20:58,432 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:20:58,567 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:20:58,570 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:20:59,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:20:59,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:20:59,627 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:20:59,630 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 23:20:59,631 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:20:59,637 INFO L158 Benchmark]: Toolchain (without parser) took 2059.21ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 47.8MB in the beginning and 56.8MB in the end (delta: -9.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-11-21 23:20:59,638 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:20:59,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.57ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 31.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:20:59,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.02ms. Allocated memory is still 69.2MB. Free memory was 31.2MB in the beginning and 29.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:20:59,641 INFO L158 Benchmark]: Boogie Preprocessor took 80.40ms. Allocated memory is still 69.2MB. Free memory was 29.2MB in the beginning and 27.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:20:59,642 INFO L158 Benchmark]: RCFGBuilder took 1406.73ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 27.0MB in the beginning and 56.8MB in the end (delta: -29.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-11-21 23:20:59,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.57ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 31.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.02ms. Allocated memory is still 69.2MB. Free memory was 31.2MB in the beginning and 29.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.40ms. Allocated memory is still 69.2MB. Free memory was 29.2MB in the beginning and 27.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1406.73ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 27.0MB in the beginning and 56.8MB in the end (delta: -29.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:20:59,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26413a5c-8964-42fe-87a2-df8f16ff3360/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?